# NSN 4820-25-138-4000: Valve, Safety Relief

NSN 4820-25-138-4000 (also written 4820251384000; NIIN 25-138-4000) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-25-138-4000 (4820251384000)
- NIIN: 25-138-4000 (251384000)
- Item name: VALVE, SAFETY RELIEF
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-13 | [SPE7MC26V3960](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820251384000) | VALVE, SAFETY RELIEF | SOGEN COMPANY, INC. | $10,981.96 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820251384000&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820251384000
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4820-25-138-4000/
JSON: https://nsnexplorer.com/api/nsn/4820-25-138-4000.json